Marker



FIG. 1 is an upper front right perspective view of a marker showing my new design;

FIG. 2 is a lower front left perspective view of the marker shown in FIG. 1, with the cap removed and placed in the bottom of the marker;

FIG. 3 is a right side elevation view of the marker shown in FIG. 1, with the left side elevation view being a mirror image of the right side elevation view;

FIG. 4 is a front elevation view thereof, with the rear elevation view being a mirror image of the front elevation view;

FIG. 5 is an enlarged bottom plan view thereof; and,

FIG. 6 is an enlarged top plan view thereof.

The feature shown in broken lines in FIG. 5 is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for a marker, as shown and described. 